The features of the CPU is the most important? (Speed, nuclei, the size of the cache..?)

Looking at the processors for use with ESX/ESXi servers, which includes should be more important?

In other words, the wide range of available processors, which should better spent the money for a client?

Wouldn't be the frequency of the cpu, or the amount of nuclei, the sizes of cache, features like support for virtualization of hardware or any other things?

I'm not looking for a specific processor to buy at the moment, I'm just interested in the subject and that the considerations that could be made.

More GHz is better if several virtual machines with high CPU requirements, because each vCPU can run as fast as a physical core is running. So peak performance is limited by the speed of the CPU.

But if you must run MULTIPLE virtual machines, especially the virtual machines with multiple vCPUs and processors with core then most are the best choice.

More cache is better in all cases, but it costs money and generates more heat. Problem with the heat, it's true - for example HP BL460c G1, you can install 64 GB of RAM with processors of 80W and only 48 GB with some 120W CPUs.

---

MCSA, MCTS Hyper-V, VCP 3/4, VMware vExpert

http://blog.vadmin.ru

Tags: VMware

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